xAIがGrok4.1を発表。応答遅延42%削減、意図認識精度18%向上。Grok-4MoEアーキテクチャを基に、リアルタイムフィードバック層と個人化キャッシュを追加し、瞬時応答を実現。X Premium+ユーザーは無制限利用可能。MT-Benchスコア8.97、HumanEvalコード生成87.1%、対話一貫性91.4%で新記録。....
TRAE.aiがKimi-K2モデルとGrok-4(Beta)サービスをリリース。Kimi-K2はMoEアーキテクチャでコード生成・数学推論に優れ、GPT-4.1に匹敵。3ステップで利用可能。Grok-4(Beta)ではClaude/Gemini/GPTなど主要モデルを提供。....
Xai
$1.4
入力トークン/百万
$3.5
出力トークン/百万
2k
コンテキスト長
$10.5
256
-
$21
$105
$2.1
128
$14
$70
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